Properties

Label 47040br
Number of curves $6$
Conductor $47040$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("br1")
 
E.isogeny_class()
 

Elliptic curves in class 47040br

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
47040.ch4 47040br1 \([0, -1, 0, -144125, -21011955]\) \(2748251600896/2205\) \(265642030080\) \([2]\) \(196608\) \(1.4976\) \(\Gamma_0(N)\)-optimal
47040.ch3 47040br2 \([0, -1, 0, -145105, -20710703]\) \(175293437776/4862025\) \(9371850821222400\) \([2, 2]\) \(393216\) \(1.8441\)  
47040.ch5 47040br3 \([0, -1, 0, 31295, -68021183]\) \(439608956/259416045\) \(-2000161228600442880\) \([2]\) \(786432\) \(2.1907\)  
47040.ch2 47040br4 \([0, -1, 0, -337185, 45864225]\) \(549871953124/200930625\) \(1549224319426560000\) \([2, 2]\) \(786432\) \(2.1907\)  
47040.ch6 47040br5 \([0, -1, 0, 1034815, 323282625]\) \(7947184069438/7533176175\) \(-116165265825801830400\) \([2]\) \(1572864\) \(2.5373\)  
47040.ch1 47040br6 \([0, -1, 0, -4782465, 4026167937]\) \(784478485879202/221484375\) \(3415397529600000000\) \([4]\) \(1572864\) \(2.5373\)  

Rank

sage: E.rank()
 

The elliptic curves in class 47040br have rank \(1\).

Complex multiplication

The elliptic curves in class 47040br do not have complex multiplication.

Modular form 47040.2.a.br

sage: E.q_eigenform(10)
 
\(q - q^{3} + q^{5} + q^{9} - 4 q^{11} - 2 q^{13} - q^{15} + 6 q^{17} + 4 q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

sage: E.isogeny_class().matrix()
 

The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.

\(\left(\begin{array}{rrrrrr} 1 & 2 & 4 & 4 & 8 & 8 \\ 2 & 1 & 2 & 2 & 4 & 4 \\ 4 & 2 & 1 & 4 & 8 & 8 \\ 4 & 2 & 4 & 1 & 2 & 2 \\ 8 & 4 & 8 & 2 & 1 & 4 \\ 8 & 4 & 8 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.